package com.zjy.service;

import com.zjy.bean.ShoppingCart;

import java.util.List;

/**
 * Created by Administrator on 2019/5/19.
 */
public interface ShoppingCartService {
    void addShopCart(ShoppingCart shoppingCart);

    int subtractShopCartById(ShoppingCart shoppingCart);

    int deleteShopCartById(List<String> idList);

    List<ShoppingCart> selectShopCartByUserId(String userId);
}
